PHARMETRIX CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5503843 Transdermal delivery of alpha adrenoceptor blocking agentsExpiredApr 22, 94Apr 02, 96[A61F]
5368571 Electrochemical controlled dispensing assembly and methodExpiredFeb 01, 94Nov 29, 94[A61M]
5318540 Controlled release infusion deviceExpiredOct 06, 92Jun 07, 94[A61M]
5290240 Electrochemical controlled dispensing assembly and method for selective and controlled delivery of a dispensing fluidExpiredFeb 03, 93Mar 01, 94[A61M]
5257987 Controlled release osmotic infusion systemExpiredMay 21, 90Nov 02, 93[A61K]
5169390 Osmotic infusion deviceExpiredMay 21, 90Dec 08, 92[A61M]
5135498 Controlled release infusion deviceExpiredApr 02, 90Aug 04, 92[A61M]
4898582 Portable infusion device assemblyExpiredAug 09, 88Feb 06, 90[A61M]
4838862 Portable controlled release osmotic infusion deviceExpiredAug 04, 86Jun 13, 89[A61K]

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